Vulnerability identifier: #VU46239
Vulnerability risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-269
Exploitation vector: Network
Exploit availability: No
Vendor: Google
Description
The vulnerability allows a remote authenticated user to execute arbitrary code.
In JetBrains Kotlin from 1.4-M1 to 1.4-RC (as Kotlin 1.3.7x is not affected by the issue. Fixed version is 1.4.0) there is a script-cache privilege escalation vulnerability due to kotlin-main-kts cached scripts in the system temp directory, which is shared by all users by default.
Mitigation
Install update from vendor's website.
Vulnerable software versions
kotlin: 1.4.0
External links
http://blog.jetbrains.com/blog/2020/08/06/jetbrains-security-bulletin-q2-2020/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.